Question: A weight loss program advertises LOSE 40 POUNDS IN 4 MONTHS. A random sample of n = 25 customers has = 32 pounds lost

A weight loss program advertises "LOSE 40 POUNDS IN 4 MONTHS." A random sample of n = 25 customers has  = 32 pounds lost and s = 12. To contradict this claim test H0: μ = 40 against H1: μ < 40 with α = .05.

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